Technical Data - BMW R 1100 S Repair Manual

Technical Data

Engine, general
Engine design
Location of engine number
Cylinder bore
Stroke
Effective displacement
Compression ratio
Power output
Max. torque
Permissible maximum engine speed
Idle speed
Direction of rotation
Compression test pressure
good
normal
poor
Intake port dia./cylinder head
Lubrication system
Theoretical volume in circulation at 6000 min
Lubricating oil
Cooling oil
Oil filter
Pressure differential needed to open
bypass valve
Oil pressure warning light comes on below
Pressure relief valve opens at
Operating pressure
Oil capacity Without filter change
With filter change
min/max
Permissible oil consumption
l/1000 km (miles per Imp. pint/miles per US quart)
Oil pump
Oil pump
Housing depth Cooling oil
lube oil
Height of rotor Cooling oil
lube oil
Axial play
Wear limit
11
R 1100 S
Four-stroke flat twin, air-cooled with oil-
cooled exhaust ports, installed longitudinal-
ly, 4 valves per cylinder, two overhead cam-
shafts, electronic fuel injection.
Crankcase
mm (in) 99 (3.9)
mm (in) 70.5 (2.78)
cc 1085
11.3 : 1
-1
kW(bhp)/min 72(98)/7500
-1
Nm/min 97/5750
-1
min 8210
-1 ±50
min 1100
Clockwise, looking at ignition system
bar (psi) above
bar (psi)
bar (psi) below
mm (in) 45 (1.8)
-1
l (Imp. gal/
US gal) 30 (6.6/7.9)
l (Imp. gal/
US gal) 33 (7.3/8.7)
Full-flow type
bar (psi) 1.5 (21.3)
bar (psi) 0.3 (4.2)
bar (psi) 5.5 (78.3)
bar (psi) 3.5...6.0 (49.8...85.4)
l (Imp. pints/
US quarts) 3.50 (6.16/3.70)
l (Imp. pints/
US quarts) 3.75 (6.60/3.96)
l (Imp. pints/
US quarts) 0.5 (0.88/0.53)
1.0 (350/390)
2 Duocentric pumps
mm (in) 11.02...11.05 (0.434...0.435)
mm (in) 10.02...10.05 (0.394...0.396)
mm (in) 10.95...10.98 (0.431...0.432)
mm (in) 9.95...9.98 (0.392...0.393)
mm (in) 0.04...0.1 (0.002...0.004)
mm (in) 0.25 (0.010)
10 (142)
8.5...10 (121...142)
8.5 (121)
11.5